chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/path_service.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/scoped_user_pref_update.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/sequenced_worker_pool.h"
  20 #include "chrome/browser/browser_about_handler.h"
  21 #include "chrome/browser/browser_process.h"
  22 #include "chrome/browser/browser_shutdown.h"
  23 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  24 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  25 #include "chrome/browser/character_encoding.h"
  26 #include "chrome/browser/chrome_content_browser_client_parts.h"
  27 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  28 #include "chrome/browser/chrome_quota_permission_context.h"
  29 #include "chrome/browser/content_settings/content_settings_utils.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/host_content_settings_map.h"
  32 #include "chrome/browser/content_settings/permission_request_id.h"
  33 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  34 #include "chrome/browser/defaults.h"
  35 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
  36 #include "chrome/browser/download/download_prefs.h"
  37 #include "chrome/browser/font_family_cache.h"
  38 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  39 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  40 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  41 #include "chrome/browser/media/cast_transport_host_filter.h"
  42 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  43 #include "chrome/browser/media/midi_permission_context.h"
  44 #include "chrome/browser/media/midi_permission_context_factory.h"
  45 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  46 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  47 #include "chrome/browser/net/chrome_net_log.h"
  48 #include "chrome/browser/notifications/desktop_notification_service.h"
  49 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  50 #include "chrome/browser/platform_util.h"
  51 #include "chrome/browser/plugins/plugin_info_message_filter.h"
  52 #include "chrome/browser/prerender/prerender_final_status.h"
  53 #include "chrome/browser/prerender/prerender_manager.h"
  54 #include "chrome/browser/prerender/prerender_manager_factory.h"
  55 #include "chrome/browser/prerender/prerender_message_filter.h"
  56 #include "chrome/browser/prerender/prerender_tracker.h"
  57 #include "chrome/browser/printing/printing_message_filter.h"
  58 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  59 #include "chrome/browser/profiles/profile.h"
  60 #include "chrome/browser/profiles/profile_io_data.h"
  61 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  62 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  63 #include "chrome/browser/search/instant_service.h"
  64 #include "chrome/browser/search/instant_service_factory.h"
  65 #include "chrome/browser/search/search.h"
  66 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  67 #include "chrome/browser/signin/principals_message_filter.h"
  68 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  69 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
  70 #include "chrome/browser/speech/tts_controller.h"
  71 #include "chrome/browser/speech/tts_message_filter.h"
  72 #include "chrome/browser/ssl/ssl_add_certificate.h"
  73 #include "chrome/browser/ssl/ssl_blocking_page.h"
  74 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  75 #include "chrome/browser/tab_contents/tab_util.h"
  76 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  77 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  78 #include "chrome/browser/ui/chrome_select_file_policy.h"
  79 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  80 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  81 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  82 #include "chrome/common/chrome_constants.h"
  83 #include "chrome/common/chrome_paths.h"
  84 #include "chrome/common/chrome_switches.h"
  85 #include "chrome/common/content_settings.h"
  86 #include "chrome/common/env_vars.h"
  87 #include "chrome/common/logging_chrome.h"
  88 #include "chrome/common/pepper_permission_util.h"
  89 #include "chrome/common/pref_names.h"
  90 #include "chrome/common/render_messages.h"
  91 #include "chrome/common/url_constants.h"
  92 #include "chrome/grit/generated_resources.h"
  93 #include "chrome/installer/util/google_update_settings.h"
  94 #include "chromeos/chromeos_constants.h"
  95 #include "components/cdm/browser/cdm_message_filter_android.h"
  96 #include "components/cloud_devices/common/cloud_devices_switches.h"
  97 #include "components/dom_distiller/core/url_constants.h"
  98 #include "components/google/core/browser/google_util.h"
  99 #include "components/metrics/client_info.h"
 100 #include "components/pref_registry/pref_registry_syncable.h"
 101 #include "components/signin/core/common/profile_management_switches.h"
 102 #include "components/translate/core/common/translate_switches.h"
 103 #include "content/public/browser/browser_child_process_host.h"
 104 #include "content/public/browser/browser_main_parts.h"
 105 #include "content/public/browser/browser_ppapi_host.h"
 106 #include "content/public/browser/browser_thread.h"
 107 #include "content/public/browser/browser_url_handler.h"
 108 #include "content/public/browser/child_process_data.h"
 109 #include "content/public/browser/child_process_security_policy.h"
 110 #include "content/public/browser/desktop_notification_delegate.h"
 111 #include "content/public/browser/render_frame_host.h"
 112 #include "content/public/browser/render_process_host.h"
 113 #include "content/public/browser/render_view_host.h"
 114 #include "content/public/browser/resource_context.h"
 115 #include "content/public/browser/site_instance.h"
 116 #include "content/public/browser/web_contents.h"
 117 #include "content/public/common/child_process_host.h"
 118 #include "content/public/common/content_descriptors.h"
 119 #include "content/public/common/show_desktop_notification_params.h"
 120 #include "content/public/common/url_utils.h"
 121 #include "content/public/common/web_preferences.h"
 122 #include "extensions/browser/extension_system.h"
 123 #include "extensions/common/constants.h"
 124 #include "extensions/common/extension.h"
 125 #include "extensions/common/extension_set.h"
 126 #include "extensions/common/manifest_handlers/shared_module_info.h"
 127 #include "extensions/common/permissions/permissions_data.h"
 128 #include "extensions/common/permissions/socket_permission.h"
 129 #include "extensions/common/switches.h"
 130 #include "net/base/mime_util.h"
 131 #include "net/cookies/canonical_cookie.h"
 132 #include "net/cookies/cookie_options.h"
 133 #include "net/ssl/ssl_cert_request_info.h"
 134 #include "ppapi/host/ppapi_host.h"
 135 #include "ppapi/shared_impl/ppapi_switches.h"
 136 #include "ui/base/l10n/l10n_util.h"
 137 #include "ui/base/resource/resource_bundle.h"
 138 #include "ui/resources/grit/ui_resources.h"
 139 #include "webkit/browser/fileapi/external_mount_points.h"
 140
 141 #if defined(OS_WIN)
 142 #include "base/win/windows_version.h"
 143 #include "chrome/browser/chrome_browser_main_win.h"
 144 #include "sandbox/win/src/sandbox_policy.h"
 145 #elif defined(OS_MACOSX)
 146 #include "chrome/browser/chrome_browser_main_mac.h"
 147 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 148 #include "components/breakpad/app/breakpad_mac.h"
 149 #elif defined(OS_CHROMEOS)
 150 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 151 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 152 #include "chrome/browser/chromeos/file_manager/app_id.h"
 153 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 154 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 155 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 156 #include "chrome/browser/chromeos/login/startup_utils.h"
 157 #include "chrome/browser/chromeos/system/input_device_settings.h"
 158 #include "chromeos/chromeos_switches.h"
 159 #include "components/user_manager/user_manager.h"
 160 #elif defined(OS_LINUX)
 161 #include "chrome/browser/chrome_browser_main_linux.h"
 162 #elif defined(OS_ANDROID)
 163 #include "chrome/browser/android/new_tab_page_url_handler.h"
 164 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 165 #include "chrome/browser/chrome_browser_main_android.h"
 166 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 167 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 168 #include "chrome/common/descriptors_android.h"
 169 #include "components/breakpad/browser/crash_dump_manager_android.h"
 170 #elif defined(OS_POSIX)
 171 #include "chrome/browser/chrome_browser_main_posix.h"
 172 #endif
 173
 174 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 175 #include "base/debug/leak_annotations.h"
 176 #include "components/breakpad/app/breakpad_linux.h"
 177 #include "components/breakpad/browser/crash_handler_host_linux.h"
 178 #endif
 179
 180 #if defined(OS_ANDROID)
 181 #include "ui/base/ui_base_paths.h"
 182 #include "ui/gfx/android/device_display_info.h"
 183 #endif
 184
 185 #if !defined(OS_CHROMEOS)
 186 #include "chrome/browser/signin/chrome_signin_client.h"
 187 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 188 #include "chrome/browser/signin/signin_manager_factory.h"
 189 #include "components/signin/core/browser/signin_manager.h"
 190 #endif
 191
 192 #if defined(TOOLKIT_VIEWS)
 193 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 194 #endif
 195
 196 #if defined(USE_ASH)
 197 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 198 #endif
 199
 200 #if defined(USE_AURA)
 201 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 202 #endif
 203
 204 #if defined(USE_X11)
 205 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 206 #endif
 207
 208 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 209 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 210 #endif
 211
 212 #if !defined(DISABLE_NACL)
 213 #include "components/nacl/browser/nacl_browser.h"
 214 #include "components/nacl/browser/nacl_host_message_filter.h"
 215 #include "components/nacl/browser/nacl_process_host.h"
 216 #include "components/nacl/common/nacl_process_type.h"
 217 #include "components/nacl/common/nacl_switches.h"
 218 #endif
 219
 220 #if defined(ENABLE_EXTENSIONS)
 221 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 222 #include "chrome/browser/extensions/extension_service.h"
 223 #include "chrome/browser/extensions/extension_util.h"
 224 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
 225 #include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
 226 #include "chrome/browser/guest_view/web_view/web_view_renderer_state.h"
 227 #include "extensions/browser/guest_view/guest_view_base.h"
 228 #include "extensions/browser/guest_view/guest_view_constants.h"
 229 #include "extensions/browser/guest_view/guest_view_manager.h"
 230 #include "extensions/browser/suggest_permission_util.h"
 231 #include "extensions/common/manifest_handlers/background_info.h"
 232 #endif
 233
 234 #if defined(ENABLE_SPELLCHECK)
 235 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 236 #endif
 237
 238 #if defined(ENABLE_SERVICE_DISCOVERY)
 239 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
 240 #endif
 241
 242 #if defined(ENABLE_WEBRTC)
 243 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 244 #endif
 245
 246 using base::FileDescriptor;
 247 using blink::WebWindowFeatures;
 248 using content::AccessTokenStore;
 249 using content::BrowserThread;
 250 using content::BrowserURLHandler;
 251 using content::ChildProcessSecurityPolicy;
 252 using content::QuotaPermissionContext;
 253 using content::RenderFrameHost;
 254 using content::RenderViewHost;
 255 using content::ResourceType;
 256 using content::SiteInstance;
 257 using content::WebContents;
 258 using content::WebPreferences;
 259 using extensions::APIPermission;
 260 using extensions::Extension;
 261 using extensions::InfoMap;
 262 using extensions::Manifest;
 263 using message_center::NotifierId;
 264
 265 #if defined(OS_POSIX)
 266 using content::FileDescriptorInfo;
 267 #endif
 268
 269 #if defined(ENABLE_EXTENSIONS)
 270 using extensions::ChromeContentBrowserClientExtensionsPart;
 271 #endif
 272
 273 namespace {
 274
 275 // Cached version of the locale so we can return the locale on the I/O
 276 // thread.
 277 base::LazyInstance<std::string> g_io_thread_application_locale;
 278
 279 #if defined(ENABLE_PLUGINS)
 280 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 281 // that blanket permission isn't granted to all dev channel APIs for these.
 282 // http://crbug.com/386743
 283 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 284   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 285   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 286 };
 287
 288 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 289   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 290   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 291 };
 292
 293 const char* const kPredefinedAllowedSocketOrigins[] = {
 294   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 295   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 296   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 297   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 298   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 299   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 300   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 301   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 302   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 303   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 304   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 305   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 306   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 307   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 308   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 309   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 310   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 311   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 312   "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
 313   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 314   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 315   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 316 };
 317 #endif
 318
 319 // Returns a copy of the given url with its host set to given host and path set
 320 // to given path. Other parts of the url will be the same.
 321 GURL ReplaceURLHostAndPath(const GURL& url,
 322                            const std::string& host,
 323                            const std::string& path) {
 324   url::Replacements<char> replacements;
 325   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 326   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 327   return url.ReplaceComponents(replacements);
 328 }
 329
 330 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 331 GURL AddUberHost(const GURL& url) {
 332   const std::string uber_host = chrome::kChromeUIUberHost;
 333   const std::string new_path = url.host() + url.path();
 334
 335   return ReplaceURLHostAndPath(url, uber_host, new_path);
 336 }
 337
 338 // If url->host() is "chrome" and url->path() has characters other than the
 339 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 340 // returns true. Otherwise returns false.
 341 bool RemoveUberHost(GURL* url) {
 342   if (url->host() != chrome::kChromeUIUberHost)
 343     return false;
 344
 345   if (url->path().empty() || url->path() == "/")
 346     return false;
 347
 348   const std::string old_path = url->path();
 349
 350   const std::string::size_type separator = old_path.find('/', 1);
 351   std::string new_host;
 352   std::string new_path;
 353   if (separator == std::string::npos) {
 354     new_host = old_path.substr(1);
 355   } else {
 356     new_host = old_path.substr(1, separator - 1);
 357     new_path = old_path.substr(separator);
 358   }
 359
 360   // Do not allow URLs with paths empty before the first slash since we can't
 361   // have an empty host. (e.g "foo://chrome//")
 362   if (new_host.empty())
 363     return false;
 364
 365   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 366
 367   DCHECK(url->is_valid());
 368
 369   return true;
 370 }
 371
 372 // Handles rewriting Web UI URLs.
 373 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 374   // Do not handle special URLs such as "about:foo"
 375   if (!url->host().empty()) {
 376     const GURL chrome_url = AddUberHost(*url);
 377
 378     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 379     // be called.
 380     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 381             browser_context, chrome_url))
 382       return true;
 383   }
 384
 385   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 386           browser_context, *url))
 387     return false;
 388
 389 #if defined(OS_CHROMEOS)
 390   // Special case : in ChromeOS in Guest mode bookmarks and history are
 391   // disabled for security reasons. New tab page explains the reasons, so
 392   // we redirect user to new tab page.
 393   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 394     if (url->SchemeIs(content::kChromeUIScheme) &&
 395         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 396          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 397       // Rewrite with new tab URL
 398       *url = GURL(chrome::kChromeUINewTabURL);
 399     }
 400   }
 401 #endif
 402
 403   return true;
 404 }
 405
 406 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 407 // "chrome://foo/".
 408 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 409   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 410     return false;
 411
 412   return RemoveUberHost(url);
 413 }
 414
 415 bool CertMatchesFilter(const net::X509Certificate& cert,
 416                        const base::DictionaryValue& filter) {
 417   // TODO(markusheintz): This is the minimal required filter implementation.
 418   // Implement a better matcher.
 419
 420   // An empty filter matches any client certificate since no requirements are
 421   // specified at all.
 422   if (filter.empty())
 423     return true;
 424
 425   std::string common_name;
 426   if (filter.GetString("ISSUER.CN", &common_name) &&
 427       (cert.issuer().common_name == common_name)) {
 428     return true;
 429   }
 430   return false;
 431 }
 432
 433 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 434 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 435     const std::string& process_type) {
 436   base::FilePath dumps_path;
 437   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 438   {
 439     ANNOTATE_SCOPED_MEMORY_LEAK;
 440     bool upload = (getenv(env_vars::kHeadless) == NULL);
 441     breakpad::CrashHandlerHostLinux* crash_handler =
 442         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 443     crash_handler->StartUploaderThread();
 444     return crash_handler;
 445   }
 446 }
 447
 448 int GetCrashSignalFD(const CommandLine& command_line) {
 449   // Extensions have the same process type as renderers.
 450   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 451     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 452     if (!crash_handler)
 453       crash_handler = CreateCrashHandlerHost("extension");
 454     return crash_handler->GetDeathSignalSocket();
 455   }
 456
 457   std::string process_type =
 458       command_line.GetSwitchValueASCII(switches::kProcessType);
 459
 460   if (process_type == switches::kRendererProcess) {
 461     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 462     if (!crash_handler)
 463       crash_handler = CreateCrashHandlerHost(process_type);
 464     return crash_handler->GetDeathSignalSocket();
 465   }
 466
 467   if (process_type == switches::kPluginProcess) {
 468     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 469     if (!crash_handler)
 470       crash_handler = CreateCrashHandlerHost(process_type);
 471     return crash_handler->GetDeathSignalSocket();
 472   }
 473
 474   if (process_type == switches::kPpapiPluginProcess) {
 475     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 476     if (!crash_handler)
 477       crash_handler = CreateCrashHandlerHost(process_type);
 478     return crash_handler->GetDeathSignalSocket();
 479   }
 480
 481   if (process_type == switches::kGpuProcess) {
 482     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 483     if (!crash_handler)
 484       crash_handler = CreateCrashHandlerHost(process_type);
 485     return crash_handler->GetDeathSignalSocket();
 486   }
 487
 488   return -1;
 489 }
 490 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 491
 492 #if !defined(OS_CHROMEOS)
 493 GURL GetEffectiveURLForSignin(const GURL& url) {
 494   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 495
 496   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 497   // Copy the path because the argument to SetPathStr must outlive
 498   // the Replacements object.
 499   const std::string path_copy(url.path());
 500   GURL::Replacements replacements;
 501   replacements.SetPathStr(path_copy);
 502   effective_url = effective_url.ReplaceComponents(replacements);
 503   return effective_url;
 504 }
 505 #endif
 506
 507 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 508   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 509   g_io_thread_application_locale.Get() = locale;
 510 }
 511
 512 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 513   WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
 514                                                   params.opener_id());
 515   if (!tab)
 516     return;
 517
 518   prerender::PrerenderContents* prerender_contents =
 519       prerender::PrerenderContents::FromWebContents(tab);
 520   if (prerender_contents) {
 521     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 522     return;
 523   }
 524
 525   PopupBlockerTabHelper* popup_helper =
 526       PopupBlockerTabHelper::FromWebContents(tab);
 527   if (!popup_helper)
 528     return;
 529   popup_helper->AddBlockedPopup(params);
 530 }
 531
 532 #if defined(OS_ANDROID)
 533
 534 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 535   WebContents* web_contents =
 536       tab_util::GetWebContentsByID(params.render_process_id(),
 537                                    params.opener_id());
 538   if (!web_contents)
 539     return;
 540
 541   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 542 }
 543
 544 float GetDeviceScaleAdjustment() {
 545   static const float kMinFSM = 1.05f;
 546   static const int kWidthForMinFSM = 320;
 547   static const float kMaxFSM = 1.3f;
 548   static const int kWidthForMaxFSM = 800;
 549
 550   gfx::DeviceDisplayInfo info;
 551   int minWidth = info.GetSmallestDIPWidth();
 552
 553   if (minWidth <= kWidthForMinFSM)
 554     return kMinFSM;
 555   if (minWidth >= kWidthForMaxFSM)
 556     return kMaxFSM;
 557
 558   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 559   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 560       (kWidthForMaxFSM - kWidthForMinFSM);
 561   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 562 }
 563
 564 #endif  // defined(OS_ANDROID)
 565
 566 #if defined(ENABLE_EXTENSIONS)
 567 // By default, JavaScript and images are enabled in guest content.
 568 void GetGuestViewDefaultContentSettingRules(
 569     bool incognito,
 570     RendererContentSettingRules* rules) {
 571   rules->image_rules.push_back(
 572       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 573                                   ContentSettingsPattern::Wildcard(),
 574                                   CONTENT_SETTING_ALLOW,
 575                                   std::string(),
 576                                   incognito));
 577
 578   rules->script_rules.push_back(
 579       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 580                                   ContentSettingsPattern::Wildcard(),
 581                                   CONTENT_SETTING_ALLOW,
 582                                   std::string(),
 583                                   incognito));
 584 }
 585 #endif  // defined(ENALBE_EXTENSIONS)
 586
 587 }  // namespace
 588
 589 namespace chrome {
 590
 591 ChromeContentBrowserClient::ChromeContentBrowserClient()
 592     : prerender_tracker_(NULL),
 593       weak_factory_(this) {
 594 #if defined(ENABLE_PLUGINS)
 595   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 596     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 597   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 598     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 599   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 600     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 601 #endif
 602
 603 #if !defined(OS_ANDROID)
 604   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 605   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 606 #endif
 607
 608 #if defined(ENABLE_EXTENSIONS)
 609   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 610 #endif
 611 }
 612
 613 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 614   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 615     delete extra_parts_[i];
 616   extra_parts_.clear();
 617 }
 618
 619 // static
 620 void ChromeContentBrowserClient::RegisterProfilePrefs(
 621     user_prefs::PrefRegistrySyncable* registry) {
 622   registry->RegisterBooleanPref(
 623       prefs::kDisable3DAPIs,
 624       false,
 625       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 626   registry->RegisterBooleanPref(
 627       prefs::kEnableHyperlinkAuditing,
 628       true,
 629       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 630   registry->RegisterListPref(
 631       prefs::kEnableDeprecatedWebPlatformFeatures,
 632       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 633 }
 634
 635 // static
 636 void ChromeContentBrowserClient::SetApplicationLocale(
 637     const std::string& locale) {
 638   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 639
 640   // This object is guaranteed to outlive all threads so we don't have to
 641   // worry about the lack of refcounting and can just post as Unretained.
 642   //
 643   // The common case is that this function is called early in Chrome startup
 644   // before any threads are created (it will also be called later if the user
 645   // changes the pref). In this case, there will be no threads created and
 646   // posting will fail. When there are no threads, we can just set the string
 647   // without worrying about threadsafety.
 648   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 649           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 650     g_io_thread_application_locale.Get() = locale;
 651   }
 652 }
 653
 654 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 655     const content::MainFunctionParams& parameters) {
 656   ChromeBrowserMainParts* main_parts;
 657   // Construct the Main browser parts based on the OS type.
 658 #if defined(OS_WIN)
 659   main_parts = new ChromeBrowserMainPartsWin(parameters);
 660 #elif defined(OS_MACOSX)
 661   main_parts = new ChromeBrowserMainPartsMac(parameters);
 662 #elif defined(OS_CHROMEOS)
 663   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 664 #elif defined(OS_LINUX)
 665   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 666 #elif defined(OS_ANDROID)
 667   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 668 #elif defined(OS_POSIX)
 669   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 670 #else
 671   NOTREACHED();
 672   main_parts = new ChromeBrowserMainParts(parameters);
 673 #endif
 674
 675   chrome::AddProfilesExtraParts(main_parts);
 676
 677   // Construct additional browser parts. Stages are called in the order in
 678   // which they are added.
 679 #if defined(TOOLKIT_VIEWS)
 680   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 681 #endif
 682
 683 #if defined(USE_ASH)
 684   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 685 #endif
 686
 687 #if defined(USE_AURA)
 688   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 689 #endif
 690
 691 #if defined(USE_X11)
 692   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 693 #endif
 694
 695   chrome::AddMetricsExtraParts(main_parts);
 696
 697   return main_parts;
 698 }
 699
 700 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 701     content::BrowserContext* browser_context,
 702     const GURL& site) {
 703   std::string partition_id;
 704
 705   // The partition ID for webview guest processes is the string value of its
 706   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 707   if (site.SchemeIs(content::kGuestScheme)) {
 708     partition_id = site.spec();
 709   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 710     // Chrome signin page has an embedded iframe of extension and web content,
 711     // thus it must be isolated from other webUI pages.
 712     partition_id = site.GetOrigin().spec();
 713   }
 714
 715   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 716   return partition_id;
 717 }
 718
 719 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 720     content::BrowserContext* browser_context,
 721     const std::string& partition_id) {
 722   // The default ID is empty and is always valid.
 723   if (partition_id.empty())
 724     return true;
 725
 726   return GURL(partition_id).is_valid();
 727 }
 728
 729 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 730     content::BrowserContext* browser_context,
 731     const GURL& site,
 732     bool can_be_default,
 733     std::string* partition_domain,
 734     std::string* partition_name,
 735     bool* in_memory) {
 736   // Default to the browser-wide storage partition and override based on |site|
 737   // below.
 738   partition_domain->clear();
 739   partition_name->clear();
 740   *in_memory = false;
 741
 742   bool success = false;
 743 #if defined(ENABLE_EXTENSIONS)
 744   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 745       site, partition_domain, partition_name, in_memory);
 746
 747   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 748     // If |can_be_default| is false, the caller is stating that the |site|
 749     // should be parsed as if it had isolated storage. In particular it is
 750     // important to NOT check ExtensionService for the is_storage_isolated()
 751     // attribute because this code path is run during Extension uninstall
 752     // to do cleanup after the Extension has already been unloaded from the
 753     // ExtensionService.
 754     bool is_isolated = !can_be_default;
 755     if (can_be_default) {
 756       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 757         is_isolated = true;
 758     }
 759
 760     if (is_isolated) {
 761       CHECK(site.has_host());
 762       // For extensions with isolated storage, the the host of the |site| is
 763       // the |partition_domain|. The |in_memory| and |partition_name| are only
 764       // used in guest schemes so they are cleared here.
 765       *partition_domain = site.host();
 766       *in_memory = false;
 767       partition_name->clear();
 768     }
 769     success = true;
 770   }
 771 #endif
 772
 773   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
 774     // Chrome signin page has an embedded iframe of extension and web content,
 775     // thus it must be isolated from other webUI pages.
 776     *partition_domain = chrome::kChromeUIChromeSigninHost;
 777   }
 778
 779   // Assert that if |can_be_default| is false, the code above must have found a
 780   // non-default partition.  If this fails, the caller has a serious logic
 781   // error about which StoragePartition they expect to be in and it is not
 782   // safe to continue.
 783   CHECK(can_be_default || !partition_domain->empty());
 784 }
 785
 786 content::WebContentsViewDelegate*
 787     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 788         content::WebContents* web_contents) {
 789   return chrome::CreateWebContentsViewDelegate(web_contents);
 790 }
 791
 792 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 793     content::RenderProcessHost* host) {
 794   int id = host->GetID();
 795   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 796   net::URLRequestContextGetter* context =
 797       profile->GetRequestContextForRenderProcess(id);
 798
 799   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 800 #if defined(ENABLE_PLUGINS)
 801   host->AddFilter(new PluginInfoMessageFilter(id, profile));
 802 #endif
 803   host->AddFilter(new cast::CastTransportHostFilter);
 804 #if defined(ENABLE_PRINTING)
 805   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 806 #endif
 807   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 808 #if defined(ENABLE_SPELLCHECK)
 809   host->AddFilter(new SpellCheckMessageFilter(id));
 810 #endif
 811 #if defined(OS_MACOSX)
 812   host->AddFilter(new SpellCheckMessageFilterMac(id));
 813 #endif
 814   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 815   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 816   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 817 #if defined(ENABLE_WEBRTC)
 818   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 819       new WebRtcLoggingHandlerHost(profile);
 820   host->SetWebRtcLogMessageCallback(base::Bind(
 821       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 822   host->AddFilter(webrtc_logging_handler_host);
 823   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 824       webrtc_logging_handler_host));
 825 #endif
 826 #if !defined(DISABLE_NACL)
 827   host->AddFilter(new nacl::NaClHostMessageFilter(
 828       id, profile->IsOffTheRecord(),
 829       profile->GetPath(),
 830       context));
 831 #endif
 832 #if defined(OS_ANDROID)
 833   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 834 #endif
 835   if (switches::IsEnableAccountConsistency())
 836     host->AddFilter(new PrincipalsMessageFilter(id));
 837
 838   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 839       profile->IsOffTheRecord()));
 840
 841   for (size_t i = 0; i < extra_parts_.size(); ++i)
 842     extra_parts_[i]->RenderProcessWillLaunch(host);
 843
 844   RendererContentSettingRules rules;
 845   if (host->IsIsolatedGuest()) {
 846 #if defined(ENABLE_EXTENSIONS)
 847     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 848 #else
 849     NOTREACHED();
 850 #endif
 851   } else {
 852     GetRendererContentSettingRules(
 853         profile->GetHostContentSettingsMap(), &rules);
 854   }
 855   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 856 }
 857
 858 GURL ChromeContentBrowserClient::GetEffectiveURL(
 859     content::BrowserContext* browser_context, const GURL& url) {
 860   Profile* profile = Profile::FromBrowserContext(browser_context);
 861   if (!profile)
 862     return url;
 863
 864   // If the input |url| should be assigned to the Instant renderer, make its
 865   // effective URL distinct from other URLs on the search provider's domain.
 866   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 867     return chrome::GetEffectiveURLForInstant(url, profile);
 868
 869 #if !defined(OS_CHROMEOS)
 870   // If the input |url| should be assigned to the Signin renderer, make its
 871   // effective URL distinct from other URLs on the signin service's domain.
 872   // Note that the signin renderer will be allowed to sign the user in to
 873   // Chrome.
 874   if (SigninManager::IsWebBasedSigninFlowURL(url))
 875     return GetEffectiveURLForSignin(url);
 876 #endif
 877
 878 #if defined(ENABLE_EXTENSIONS)
 879   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 880       profile, url);
 881 #else
 882   return url;
 883 #endif
 884 }
 885
 886 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 887     content::BrowserContext* browser_context, const GURL& effective_url) {
 888   // Non-extension, non-Instant URLs should generally use
 889   // process-per-site-instance.  Because we expect to use the effective URL,
 890   // URLs for hosted apps (apart from bookmark apps) should have an extension
 891   // scheme by now.
 892
 893   Profile* profile = Profile::FromBrowserContext(browser_context);
 894   if (!profile)
 895     return false;
 896
 897   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 898     return true;
 899
 900 #if !defined(OS_CHROMEOS)
 901   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 902     return true;
 903 #endif
 904
 905 #if defined(ENABLE_EXTENSIONS)
 906   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 907       profile, effective_url);
 908 #else
 909   return false;
 910 #endif
 911 }
 912
 913 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 914 // view-source is allowed for these schemes.
 915 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 916     std::vector<std::string>* additional_schemes) {
 917   additional_schemes->push_back(chrome::kChromeSearchScheme);
 918   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 919 }
 920
 921 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 922     std::vector<std::string>* hosts) {
 923   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 924   hosts->push_back(chrome::kChromeUIFaviconHost);
 925   hosts->push_back(chrome::kChromeUIThemeHost);
 926   hosts->push_back(chrome::kChromeUIThumbnailHost);
 927   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 928   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 929 }
 930
 931 net::URLRequestContextGetter*
 932 ChromeContentBrowserClient::CreateRequestContext(
 933     content::BrowserContext* browser_context,
 934     content::ProtocolHandlerMap* protocol_handlers,
 935     content::URLRequestInterceptorScopedVector request_interceptors) {
 936   Profile* profile = Profile::FromBrowserContext(browser_context);
 937   return profile->CreateRequestContext(protocol_handlers,
 938                                        request_interceptors.Pass());
 939 }
 940
 941 net::URLRequestContextGetter*
 942 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 943     content::BrowserContext* browser_context,
 944     const base::FilePath& partition_path,
 945     bool in_memory,
 946     content::ProtocolHandlerMap* protocol_handlers,
 947     content::URLRequestInterceptorScopedVector request_interceptors) {
 948   Profile* profile = Profile::FromBrowserContext(browser_context);
 949   return profile->CreateRequestContextForStoragePartition(
 950       partition_path,
 951       in_memory,
 952       protocol_handlers,
 953       request_interceptors.Pass());
 954 }
 955
 956 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 957   return ProfileIOData::IsHandledURL(url);
 958 }
 959
 960 bool ChromeContentBrowserClient::CanCommitURL(
 961     content::RenderProcessHost* process_host,
 962     const GURL& url) {
 963 #if defined(ENABLE_EXTENSIONS)
 964   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 965       process_host, url);
 966 #else
 967   return true;
 968 #endif
 969 }
 970
 971 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
 972     content::SiteInstance* site_instance, const GURL& url) {
 973   GURL from_url = site_instance->GetSiteURL();
 974
 975 #if defined(ENABLE_EXTENSIONS)
 976   bool result;
 977   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
 978       site_instance, from_url, url, &result))
 979     return result;
 980 #endif
 981
 982   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
 983   // the signin page may host untrusted web content.
 984   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
 985       url.SchemeIs(content::kChromeUIScheme) &&
 986       url.host() != chrome::kChromeUIChromeSigninHost) {
 987     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
 988             << chrome::kChromeUIChromeSigninURL;
 989     return false;
 990   }
 991
 992   return true;
 993 }
 994
 995 bool ChromeContentBrowserClient::IsSuitableHost(
 996     content::RenderProcessHost* process_host,
 997     const GURL& site_url) {
 998   Profile* profile =
 999       Profile::FromBrowserContext(process_host->GetBrowserContext());
1000   // This may be NULL during tests. In that case, just assume any site can
1001   // share any host.
1002   if (!profile)
1003     return true;
1004
1005   // Instant URLs should only be in the instant process and instant process
1006   // should only have Instant URLs.
1007   InstantService* instant_service =
1008       InstantServiceFactory::GetForProfile(profile);
1009   if (instant_service) {
1010     bool is_instant_process = instant_service->IsInstantProcess(
1011         process_host->GetID());
1012     bool should_be_in_instant_process =
1013         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1014     if (is_instant_process || should_be_in_instant_process)
1015       return is_instant_process && should_be_in_instant_process;
1016   }
1017
1018 #if !defined(OS_CHROMEOS)
1019   SigninClient* signin_client =
1020       ChromeSigninClientFactory::GetForProfile(profile);
1021   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1022     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1023 #endif
1024
1025 #if defined(ENABLE_EXTENSIONS)
1026   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1027       profile, process_host, site_url);
1028 #else
1029   return true;
1030 #endif
1031 }
1032
1033 bool ChromeContentBrowserClient::MayReuseHost(
1034     content::RenderProcessHost* process_host) {
1035   // If there is currently a prerender in progress for the host provided,
1036   // it may not be shared. We require prerenders to be by themselves in a
1037   // separate process, so that we can monitor their resource usage, and so that
1038   // we can track the cookies that they change.
1039   Profile* profile = Profile::FromBrowserContext(
1040       process_host->GetBrowserContext());
1041   prerender::PrerenderManager* prerender_manager =
1042       prerender::PrerenderManagerFactory::GetForProfile(profile);
1043   if (prerender_manager &&
1044       !prerender_manager->MayReuseProcessHost(process_host)) {
1045     return false;
1046   }
1047
1048   return true;
1049 }
1050
1051 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1052     content::BrowserContext* browser_context, const GURL& url) {
1053   // It has to be a valid URL for us to check for an extension.
1054   if (!url.is_valid())
1055     return false;
1056
1057 #if defined(ENABLE_EXTENSIONS)
1058   Profile* profile = Profile::FromBrowserContext(browser_context);
1059   return ChromeContentBrowserClientExtensionsPart::
1060       ShouldTryToUseExistingProcessHost(
1061           profile, url);
1062 #else
1063   return false;
1064 #endif
1065 }
1066
1067 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1068     SiteInstance* site_instance) {
1069   CHECK(site_instance->HasProcess());
1070
1071   Profile* profile = Profile::FromBrowserContext(
1072       site_instance->GetBrowserContext());
1073   if (!profile)
1074     return;
1075
1076   // Remember the ID of the Instant process to signal the renderer process
1077   // on startup in |AppendExtraCommandLineSwitches| below.
1078   if (chrome::ShouldAssignURLToInstantRenderer(
1079           site_instance->GetSiteURL(), profile)) {
1080     InstantService* instant_service =
1081         InstantServiceFactory::GetForProfile(profile);
1082     if (instant_service)
1083       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1084   }
1085
1086 #if !defined(OS_CHROMEOS)
1087   // We only expect there to be one signin process as we use process-per-site
1088   // for signin URLs. The signin process will be cleared from SigninManager
1089   // when the renderer is destroyed.
1090   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1091     SigninClient* signin_client =
1092         ChromeSigninClientFactory::GetForProfile(profile);
1093     if (signin_client)
1094       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1095 #if defined(ENABLE_EXTENSIONS)
1096     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1097 #endif
1098   }
1099 #endif
1100
1101   for (size_t i = 0; i < extra_parts_.size(); ++i)
1102     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1103 }
1104
1105 void ChromeContentBrowserClient::SiteInstanceDeleting(
1106     SiteInstance* site_instance) {
1107   if (!site_instance->HasProcess())
1108     return;
1109
1110   for (size_t i = 0; i < extra_parts_.size(); ++i)
1111     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1112 }
1113
1114 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1115     SiteInstance* site_instance,
1116     const GURL& current_url,
1117     const GURL& new_url) {
1118 #if defined(ENABLE_EXTENSIONS)
1119   return ChromeContentBrowserClientExtensionsPart::
1120       ShouldSwapBrowsingInstancesForNavigation(
1121           site_instance, current_url, new_url);
1122 #else
1123   return false;
1124 #endif
1125 }
1126
1127 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1128     content::ResourceContext* resource_context, const GURL& current_url,
1129     const GURL& new_url) {
1130 #if defined(ENABLE_EXTENSIONS)
1131   return ChromeContentBrowserClientExtensionsPart::
1132       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1133 #else
1134   return false;
1135 #endif
1136 }
1137
1138 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1139   return !url.SchemeIs(chrome::kChromeNativeScheme);
1140 }
1141
1142 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1143     const std::string& alias_name) {
1144   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1145 }
1146
1147 namespace {
1148
1149 bool IsAutoReloadEnabled() {
1150   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1151   // causes the field-trial mechanism to report which group we're in, which
1152   // might reflect a hard disable or hard enable via flag, both of which have
1153   // their own field trial groups. This lets us know what percentage of users
1154   // manually enable or disable auto-reload.
1155   std::string group = base::FieldTrialList::FindFullName(
1156       "AutoReloadExperiment");
1157   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1158   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1159     return true;
1160   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1161     return false;
1162   return true;
1163 }
1164
1165 bool IsAutoReloadVisibleOnlyEnabled() {
1166   // See the block comment in IsAutoReloadEnabled().
1167   std::string group = base::FieldTrialList::FindFullName(
1168       "AutoReloadVisibleOnlyExperiment");
1169   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1170   if (browser_command_line.HasSwitch(
1171       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1172     return true;
1173   }
1174   if (browser_command_line.HasSwitch(
1175       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1176     return false;
1177   }
1178   return true;
1179 }
1180
1181 }  // namespace
1182
1183 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1184     CommandLine* command_line, int child_process_id) {
1185 #if defined(OS_POSIX)
1186   if (breakpad::IsCrashReporterEnabled()) {
1187     scoped_ptr<metrics::ClientInfo> client_info =
1188         GoogleUpdateSettings::LoadMetricsClientInfo();
1189     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1190                                     client_info ? client_info->client_id
1191                                                 : std::string());
1192   }
1193 #endif  // defined(OS_POSIX)
1194
1195   if (logging::DialogsAreSuppressed())
1196     command_line->AppendSwitch(switches::kNoErrorDialogs);
1197
1198   std::string process_type =
1199       command_line->GetSwitchValueASCII(switches::kProcessType);
1200   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1201
1202   static const char* const kCommonSwitchNames[] = {
1203     switches::kUserAgent,
1204     switches::kUserDataDir,  // Make logs go to the right file.
1205   };
1206   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1207                                  arraysize(kCommonSwitchNames));
1208
1209 #if defined(ENABLE_IPC_FUZZER)
1210   static const char* const kIpcFuzzerSwitches[] = {
1211     switches::kIpcFuzzerTestcase,
1212   };
1213   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1214                                  arraysize(kIpcFuzzerSwitches));
1215 #endif
1216
1217 #if defined(OS_CHROMEOS)
1218   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1219   base::FilePath homedir;
1220   PathService::Get(base::DIR_HOME, &homedir);
1221   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1222                                   homedir.value().c_str());
1223 #endif
1224
1225   if (process_type == switches::kRendererProcess) {
1226     content::RenderProcessHost* process =
1227         content::RenderProcessHost::FromID(child_process_id);
1228     Profile* profile =
1229         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1230                 : NULL;
1231     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1232       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1233           command_line, process, profile);
1234     }
1235
1236 #if defined(OS_CHROMEOS)
1237     const std::string& login_profile =
1238         browser_command_line.GetSwitchValueASCII(
1239             chromeos::switches::kLoginProfile);
1240     if (!login_profile.empty())
1241       command_line->AppendSwitchASCII(
1242           chromeos::switches::kLoginProfile, login_profile);
1243 #endif
1244
1245 #if defined(ENABLE_WEBRTC)
1246     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1247                                            browser_command_line,
1248                                            VersionInfo::GetChannel());
1249 #endif
1250
1251     if (process) {
1252       PrefService* prefs = profile->GetPrefs();
1253       // Currently this pref is only registered if applied via a policy.
1254       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1255           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1256         // Turn this policy into a command line switch.
1257         command_line->AppendSwitch(switches::kDisable3DAPIs);
1258       }
1259
1260       const base::ListValue* switches =
1261           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1262       if (switches) {
1263         // Enable any deprecated features that have been re-enabled by policy.
1264         for (base::ListValue::const_iterator it = switches->begin();
1265              it != switches->end(); ++it) {
1266           std::string switch_to_enable;
1267           if ((*it)->GetAsString(&switch_to_enable))
1268             command_line->AppendSwitch(switch_to_enable);
1269         }
1270       }
1271
1272       // Disable client-side phishing detection in the renderer if it is
1273       // disabled in the Profile preferences or the browser process.
1274       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1275           !g_browser_process->safe_browsing_detection_service()) {
1276         command_line->AppendSwitch(
1277             switches::kDisableClientSidePhishingDetection);
1278       }
1279
1280       InstantService* instant_service =
1281           InstantServiceFactory::GetForProfile(profile);
1282       if (instant_service &&
1283           instant_service->IsInstantProcess(process->GetID()))
1284         command_line->AppendSwitch(switches::kInstantProcess);
1285
1286 #if !defined(OS_CHROMEOS)
1287       SigninClient* signin_client =
1288           ChromeSigninClientFactory::GetForProfile(profile);
1289       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1290         command_line->AppendSwitch(switches::kSigninProcess);
1291 #endif
1292     }
1293
1294     if (IsAutoReloadEnabled())
1295       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1296     if (IsAutoReloadVisibleOnlyEnabled()) {
1297       command_line->AppendSwitch(
1298           switches::kEnableOfflineAutoReloadVisibleOnly);
1299     }
1300
1301     {
1302       // Enable load stale cache if this session is in the field trial or
1303       // the user explicitly enabled it.  Note that as far as the renderer
1304       // is concerned, the feature is enabled if-and-only-if the
1305       // kEnableOfflineLoadStaleCache flag is on the command line;
1306       // the yes/no/default behavior is only at the browser command line
1307       // level.
1308
1309       // Command line switches override
1310       if (browser_command_line.HasSwitch(
1311               switches::kEnableOfflineLoadStaleCache)) {
1312         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1313       } else if (!browser_command_line.HasSwitch(
1314           switches::kDisableOfflineLoadStaleCache)) {
1315         std::string group =
1316             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1317
1318         if (group == "Enabled")
1319           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1320       }
1321     }
1322
1323     // Please keep this in alphabetical order.
1324     static const char* const kSwitchNames[] = {
1325       autofill::switches::kDisableIgnoreAutocompleteOff,
1326       autofill::switches::kDisablePasswordGeneration,
1327       autofill::switches::kEnablePasswordGeneration,
1328       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1329       extensions::switches::kAllowHTTPBackgroundPage,
1330       extensions::switches::kAllowLegacyExtensionManifests,
1331       extensions::switches::kEnableAppView,
1332       extensions::switches::kEnableEmbeddedExtensionOptions,
1333       extensions::switches::kEnableExperimentalExtensionApis,
1334       extensions::switches::kEnableScriptsRequireAction,
1335       extensions::switches::kExtensionsOnChromeURLs,
1336       extensions::switches::kWhitelistedExtensionID,
1337       switches::kAppsCheckoutURL,
1338       switches::kAppsGalleryURL,
1339       switches::kCloudPrintURL,
1340       switches::kCloudPrintXmppEndpoint,
1341       switches::kDisableBundledPpapiFlash,
1342       switches::kEnableAppWindowControls,
1343       switches::kEnableBenchmarking,
1344       switches::kEnableNaCl,
1345 #if !defined(DISABLE_NACL)
1346       switches::kEnableNaClDebug,
1347       switches::kEnableNaClNonSfiMode,
1348 #endif
1349       switches::kEnableNetBenchmarking,
1350       switches::kEnableShowModalDialog,
1351       switches::kEnableStreamlinedHostedApps,
1352       switches::kEnableWebBasedSignin,
1353       switches::kMessageLoopHistogrammer,
1354       switches::kOutOfProcessPdf,
1355       switches::kPlaybackMode,
1356       switches::kPpapiFlashArgs,
1357       switches::kPpapiFlashPath,
1358       switches::kPpapiFlashVersion,
1359       switches::kProfilingAtStart,
1360       switches::kProfilingFile,
1361       switches::kProfilingFlush,
1362       switches::kRecordMode,
1363       translate::switches::kTranslateSecurityOrigin,
1364     };
1365
1366     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1367                                    arraysize(kSwitchNames));
1368   } else if (process_type == switches::kUtilityProcess) {
1369     static const char* const kSwitchNames[] = {
1370       extensions::switches::kAllowHTTPBackgroundPage,
1371       extensions::switches::kEnableExperimentalExtensionApis,
1372       extensions::switches::kExtensionsOnChromeURLs,
1373       extensions::switches::kWhitelistedExtensionID,
1374     };
1375
1376     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1377                                    arraysize(kSwitchNames));
1378   } else if (process_type == switches::kPluginProcess) {
1379 #if defined(OS_CHROMEOS)
1380     static const char* const kSwitchNames[] = {
1381       chromeos::switches::kLoginProfile,
1382     };
1383
1384     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1385                                    arraysize(kSwitchNames));
1386 #endif
1387   } else if (process_type == switches::kZygoteProcess) {
1388     static const char* const kSwitchNames[] = {
1389       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1390       switches::kDisableBundledPpapiFlash,
1391 #if !defined(DISABLE_NACL)
1392       switches::kEnableNaClNonSfiMode,
1393       switches::kNaClDangerousNoSandboxNonSfi,
1394 #endif
1395       switches::kPpapiFlashPath,
1396       switches::kPpapiFlashVersion,
1397     };
1398
1399     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1400                                    arraysize(kSwitchNames));
1401   } else if (process_type == switches::kGpuProcess) {
1402     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1403     // because GPU is expected to be unreliable.
1404     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1405         !command_line->HasSwitch(switches::kDisableBreakpad))
1406       command_line->AppendSwitch(switches::kDisableBreakpad);
1407   }
1408
1409   // The command line switch kEnableBenchmarking needs to be specified along
1410   // with the kEnableStatsTable switch to ensure that the stats table global
1411   // is initialized correctly.
1412   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1413     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1414 }
1415
1416 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1417   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1418     return g_io_thread_application_locale.Get();
1419   return g_browser_process->GetApplicationLocale();
1420 }
1421
1422 std::string ChromeContentBrowserClient::GetAcceptLangs(
1423     content::BrowserContext* context) {
1424   Profile* profile = Profile::FromBrowserContext(context);
1425   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1426 }
1427
1428 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1429   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1430   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1431 }
1432
1433 bool ChromeContentBrowserClient::AllowAppCache(
1434     const GURL& manifest_url,
1435     const GURL& first_party,
1436     content::ResourceContext* context) {
1437   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1438   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1439   return io_data->GetCookieSettings()->
1440       IsSettingCookieAllowed(manifest_url, first_party);
1441 }
1442
1443 bool ChromeContentBrowserClient::AllowGetCookie(
1444     const GURL& url,
1445     const GURL& first_party,
1446     const net::CookieList& cookie_list,
1447     content::ResourceContext* context,
1448     int render_process_id,
1449     int render_frame_id) {
1450   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1451   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1452   bool allow = io_data->GetCookieSettings()->
1453       IsReadingCookieAllowed(url, first_party);
1454
1455   BrowserThread::PostTask(
1456       BrowserThread::UI, FROM_HERE,
1457       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1458                  render_frame_id, url, first_party, cookie_list, !allow, true));
1459   return allow;
1460 }
1461
1462 bool ChromeContentBrowserClient::AllowSetCookie(
1463     const GURL& url,
1464     const GURL& first_party,
1465     const std::string& cookie_line,
1466     content::ResourceContext* context,
1467     int render_process_id,
1468     int render_frame_id,
1469     net::CookieOptions* options) {
1470   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1471   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1472   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1473   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1474
1475   if (prerender_tracker_) {
1476     prerender_tracker_->OnCookieChangedForURL(
1477         render_process_id,
1478         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1479         url);
1480   }
1481
1482   BrowserThread::PostTask(
1483       BrowserThread::UI, FROM_HERE,
1484       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1485                  render_frame_id, url, first_party, cookie_line, *options,
1486                  !allow));
1487   return allow;
1488 }
1489
1490 bool ChromeContentBrowserClient::AllowSaveLocalState(
1491     content::ResourceContext* context) {
1492   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1493   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1494   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1495   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1496
1497   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1498   // Could we even support per-origin settings?
1499   return setting != CONTENT_SETTING_SESSION_ONLY;
1500 }
1501
1502 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1503     const GURL& url,
1504     const base::string16& name,
1505     const base::string16& display_name,
1506     unsigned long estimated_size,
1507     content::ResourceContext* context,
1508     const std::vector<std::pair<int, int> >& render_frames) {
1509   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1510   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1511   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1512   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1513
1514   // Record access to database for potential display in UI.
1515   std::vector<std::pair<int, int> >::const_iterator i;
1516   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1517     BrowserThread::PostTask(
1518         BrowserThread::UI, FROM_HERE,
1519         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1520                    i->first, i->second, url, name, display_name, !allow));
1521   }
1522
1523   return allow;
1524 }
1525
1526 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1527     const GURL& url,
1528     content::ResourceContext* context,
1529     const std::vector<std::pair<int, int> >& render_frames,
1530     base::Callback<void(bool)> callback) {
1531   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1532   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1533   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1534   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1535
1536 #if defined(ENABLE_EXTENSIONS)
1537   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1538 #else
1539   FileSystemAccessed(url, render_frames, callback, allow);
1540 #endif
1541 }
1542
1543 #if defined(ENABLE_EXTENSIONS)
1544 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1545     const GURL& url,
1546     const std::vector<std::pair<int, int> >& render_frames,
1547     base::Callback<void(bool)> callback,
1548     bool allow) {
1549   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1550   std::vector<std::pair<int, int> >::const_iterator i;
1551   std::map<int, int> process_map;
1552   std::map<int, int>::const_iterator it;
1553   bool has_web_view_guest = false;
1554   // Record access to file system for potential display in UI.
1555   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1556     if (process_map.find(i->first) != process_map.end())
1557       continue;
1558
1559     process_map.insert(std::pair<int, int>(i->first, i->second));
1560
1561     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1562       has_web_view_guest = true;
1563   }
1564   if (!has_web_view_guest) {
1565     FileSystemAccessed(url, render_frames, callback, allow);
1566     return;
1567   }
1568   DCHECK_EQ(1U, process_map.size());
1569   it = process_map.begin();
1570   BrowserThread::PostTask(
1571       BrowserThread::UI,
1572       FROM_HERE,
1573       base::Bind(&ChromeContentBrowserClient::
1574                   RequestFileSystemPermissionOnUIThread,
1575                   it->first,
1576                   it->second,
1577                   url,
1578                   allow,
1579                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1580                             weak_factory_.GetWeakPtr(),
1581                             url,
1582                             render_frames,
1583                             callback)));
1584 }
1585
1586 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1587     int render_process_id,
1588     int render_frame_id,
1589     const GURL& url,
1590     bool allowed_by_default,
1591     const base::Callback<void(bool)>& callback) {
1592   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1593   extensions::WebViewPermissionHelper* web_view_permission_helper =
1594       extensions::WebViewPermissionHelper::FromFrameID(
1595           render_process_id, render_frame_id);
1596   web_view_permission_helper->RequestFileSystemPermission(url,
1597                                                           allowed_by_default,
1598                                                           callback);
1599 }
1600 #endif
1601
1602 void ChromeContentBrowserClient::FileSystemAccessed(
1603     const GURL& url,
1604     const std::vector<std::pair<int, int> >& render_frames,
1605     base::Callback<void(bool)> callback,
1606     bool allow) {
1607   // Record access to file system for potential display in UI.
1608   std::vector<std::pair<int, int> >::const_iterator i;
1609   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1610     BrowserThread::PostTask(
1611         BrowserThread::UI,
1612         FROM_HERE,
1613         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1614                    i->first, i->second, url, !allow));
1615   }
1616   callback.Run(allow);
1617 }
1618
1619 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1620     const GURL& url,
1621     const base::string16& name,
1622     content::ResourceContext* context,
1623     const std::vector<std::pair<int, int> >& render_frames) {
1624   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1625   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1626   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1627   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1628
1629   // Record access to IndexedDB for potential display in UI.
1630   std::vector<std::pair<int, int> >::const_iterator i;
1631   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1632     BrowserThread::PostTask(
1633         BrowserThread::UI, FROM_HERE,
1634         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1635                    i->first, i->second, url, name, !allow));
1636   }
1637
1638   return allow;
1639 }
1640
1641 net::URLRequestContext*
1642 ChromeContentBrowserClient::OverrideRequestContextForURL(
1643     const GURL& url, content::ResourceContext* context) {
1644   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1645 #if defined(ENABLE_EXTENSIONS)
1646   if (url.SchemeIs(extensions::kExtensionScheme)) {
1647     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1648     return io_data->extensions_request_context();
1649   }
1650 #endif
1651
1652   return NULL;
1653 }
1654
1655 QuotaPermissionContext*
1656 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1657   return new ChromeQuotaPermissionContext();
1658 }
1659
1660 void ChromeContentBrowserClient::AllowCertificateError(
1661     int render_process_id,
1662     int render_frame_id,
1663     int cert_error,
1664     const net::SSLInfo& ssl_info,
1665     const GURL& request_url,
1666     ResourceType resource_type,
1667     bool overridable,
1668     bool strict_enforcement,
1669     bool expired_previous_decision,
1670     const base::Callback<void(bool)>& callback,
1671     content::CertificateRequestResultType* result) {
1672   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1673     // A sub-resource has a certificate error.  The user doesn't really
1674     // have a context for making the right decision, so block the
1675     // request hard, without an info bar to allow showing the insecure
1676     // content.
1677     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1678     return;
1679   }
1680
1681   // If the tab is being prerendered, cancel the prerender and the request.
1682   content::RenderFrameHost* render_frame_host =
1683       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1684   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1685   if (!tab) {
1686     NOTREACHED();
1687     return;
1688   }
1689
1690   prerender::PrerenderContents* prerender_contents =
1691       prerender::PrerenderContents::FromWebContents(tab);
1692   if (prerender_contents) {
1693     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1694     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1695     return;
1696   }
1697
1698 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1699   CaptivePortalTabHelper* captive_portal_tab_helper =
1700       CaptivePortalTabHelper::FromWebContents(tab);
1701   if (captive_portal_tab_helper)
1702     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1703 #endif
1704
1705   // Otherwise, display an SSL blocking page. The interstitial page takes
1706   // ownership of ssl_blocking_page.
1707   int options_mask = 0;
1708   if (overridable)
1709     options_mask = SSLBlockingPage::OVERRIDABLE;
1710   if (strict_enforcement)
1711     options_mask = SSLBlockingPage::STRICT_ENFORCEMENT;
1712   if (expired_previous_decision)
1713     options_mask = SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1714   SSLBlockingPage* ssl_blocking_page = new SSLBlockingPage(
1715       tab, cert_error, ssl_info, request_url, options_mask, callback);
1716   ssl_blocking_page->Show();
1717 }
1718
1719 void ChromeContentBrowserClient::SelectClientCertificate(
1720     int render_process_id,
1721     int render_frame_id,
1722     const net::HttpNetworkSession* network_session,
1723     net::SSLCertRequestInfo* cert_request_info,
1724     const base::Callback<void(net::X509Certificate*)>& callback) {
1725   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1726       render_process_id, render_frame_id);
1727   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1728   if (!tab) {
1729     NOTREACHED();
1730     return;
1731   }
1732
1733   prerender::PrerenderContents* prerender_contents =
1734       prerender::PrerenderContents::FromWebContents(tab);
1735   if (prerender_contents) {
1736     prerender_contents->Destroy(
1737         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1738     return;
1739   }
1740
1741   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1742   DCHECK(requesting_url.is_valid())
1743       << "Invalid URL string: https://"
1744       << cert_request_info->host_and_port.ToString();
1745
1746   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1747   scoped_ptr<base::Value> filter(
1748       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1749           requesting_url,
1750           requesting_url,
1751           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1752           std::string(), NULL));
1753
1754   if (filter.get()) {
1755     // Try to automatically select a client certificate.
1756     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1757       base::DictionaryValue* filter_dict =
1758           static_cast<base::DictionaryValue*>(filter.get());
1759
1760       const std::vector<scoped_refptr<net::X509Certificate> >&
1761           all_client_certs = cert_request_info->client_certs;
1762       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1763         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1764           // Use the first certificate that is matched by the filter.
1765           callback.Run(all_client_certs[i].get());
1766           return;
1767         }
1768       }
1769     } else {
1770       NOTREACHED();
1771     }
1772   }
1773
1774   chrome::ShowSSLClientCertificateSelector(tab, network_session,
1775                                            cert_request_info, callback);
1776 }
1777
1778 void ChromeContentBrowserClient::AddCertificate(
1779     net::CertificateMimeType cert_type,
1780     const void* cert_data,
1781     size_t cert_size,
1782     int render_process_id,
1783     int render_frame_id) {
1784   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1785                             render_process_id, render_frame_id);
1786 }
1787
1788 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1789   return MediaCaptureDevicesDispatcher::GetInstance();
1790 }
1791
1792 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1793     const GURL& source_origin,
1794     content::RenderFrameHost* render_frame_host,
1795     const base::Callback<void(blink::WebNotificationPermission)>& callback) {
1796 #if defined(ENABLE_NOTIFICATIONS)
1797   // Skip showing the infobar if the request comes from an extension, and that
1798   // extension has the 'notify' permission. (If the extension does not have the
1799   // permission, the user will still be prompted.)
1800   Profile* profile = Profile::FromBrowserContext(
1801       render_frame_host->GetSiteInstance()->GetBrowserContext());
1802   DesktopNotificationService* notification_service =
1803       DesktopNotificationServiceFactory::GetForProfile(profile);
1804 #if defined(ENABLE_EXTENSIONS)
1805   InfoMap* extension_info_map =
1806       extensions::ExtensionSystem::Get(profile)->info_map();
1807   const Extension* extension = NULL;
1808   if (extension_info_map) {
1809     extensions::ExtensionSet extensions;
1810     extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1811         source_origin,
1812         render_frame_host->GetProcess()->GetID(),
1813         extensions::APIPermission::kNotifications,
1814         &extensions);
1815     for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1816          iter != extensions.end(); ++iter) {
1817       if (notification_service->IsNotifierEnabled(NotifierId(
1818               NotifierId::APPLICATION, (*iter)->id()))) {
1819         extension = iter->get();
1820         break;
1821       }
1822     }
1823   }
1824   if (IsExtensionWithPermissionOrSuggestInConsole(
1825           APIPermission::kNotifications,
1826           extension,
1827           render_frame_host->GetRenderViewHost())) {
1828     callback.Run(blink::WebNotificationPermissionAllowed);
1829     return;
1830   }
1831 #endif
1832
1833   WebContents* web_contents = WebContents::FromRenderFrameHost(
1834       render_frame_host);
1835   int render_process_id = render_frame_host->GetProcess()->GetID();
1836   const PermissionRequestID request_id(render_process_id,
1837       web_contents->GetRoutingID(),
1838       -1 /* bridge id */,
1839       GURL());
1840
1841   notification_service->RequestNotificationPermission(
1842       web_contents,
1843       request_id,
1844       source_origin,
1845       // TODO(peter): plumb user_gesture over IPC
1846       true,
1847       callback);
1848
1849 #else
1850   NOTIMPLEMENTED();
1851 #endif
1852 }
1853
1854 blink::WebNotificationPermission
1855 ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1856     const GURL& source_origin,
1857     content::ResourceContext* context,
1858     int render_process_id) {
1859 #if defined(ENABLE_NOTIFICATIONS)
1860   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1861
1862   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1863   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1864
1865   // We want to see if there is an extension that hasn't been manually disabled
1866   // that has the notifications permission and applies to this security origin.
1867   // First, get the list of extensions with permission for the origin.
1868   extensions::ExtensionSet extensions;
1869   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1870       source_origin,
1871       render_process_id,
1872       extensions::APIPermission::kNotifications,
1873       &extensions);
1874   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1875        iter != extensions.end(); ++iter) {
1876     // Then, check to see if it's been disabled by the user.
1877     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
1878       return blink::WebNotificationPermissionAllowed;
1879   }
1880
1881   // No enabled extensions exist, so check the normal host content settings.
1882   HostContentSettingsMap* host_content_settings_map =
1883       io_data->GetHostContentSettingsMap();
1884   ContentSetting setting = host_content_settings_map->GetContentSetting(
1885       source_origin,
1886       source_origin,
1887       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
1888       NO_RESOURCE_IDENTIFIER);
1889
1890   if (setting == CONTENT_SETTING_ALLOW)
1891     return blink::WebNotificationPermissionAllowed;
1892   if (setting == CONTENT_SETTING_BLOCK)
1893     return blink::WebNotificationPermissionDenied;
1894   return blink::WebNotificationPermissionDefault;
1895 #else
1896   return blink::WebNotificationPermissionAllowed;
1897 #endif
1898 }
1899
1900 void ChromeContentBrowserClient::ShowDesktopNotification(
1901     const content::ShowDesktopNotificationHostMsgParams& params,
1902     RenderFrameHost* render_frame_host,
1903     scoped_ptr<content::DesktopNotificationDelegate> delegate,
1904     base::Closure* cancel_callback) {
1905 #if defined(ENABLE_NOTIFICATIONS)
1906   content::RenderProcessHost* process = render_frame_host->GetProcess();
1907   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
1908   DesktopNotificationService* service =
1909       DesktopNotificationServiceFactory::GetForProfile(profile);
1910   service->ShowDesktopNotification(
1911       params, render_frame_host, delegate.Pass(), cancel_callback);
1912
1913   profile->GetHostContentSettingsMap()->UpdateLastUsage(
1914       params.origin, params.origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
1915 #else
1916   NOTIMPLEMENTED();
1917 #endif
1918 }
1919
1920 void ChromeContentBrowserClient::RequestGeolocationPermission(
1921     content::WebContents* web_contents,
1922     int bridge_id,
1923     const GURL& requesting_frame,
1924     bool user_gesture,
1925     base::Callback<void(bool)> result_callback,
1926     base::Closure* cancel_callback) {
1927   GeolocationPermissionContextFactory::GetForProfile(
1928       Profile::FromBrowserContext(web_contents->GetBrowserContext()))->
1929           RequestGeolocationPermission(web_contents, bridge_id,
1930                                        requesting_frame, user_gesture,
1931                                        result_callback, cancel_callback);
1932 }
1933
1934 void ChromeContentBrowserClient::RequestMidiSysExPermission(
1935     content::WebContents* web_contents,
1936     int bridge_id,
1937     const GURL& requesting_frame,
1938     bool user_gesture,
1939     base::Callback<void(bool)> result_callback,
1940     base::Closure* cancel_callback) {
1941   MidiPermissionContext* context =
1942       MidiPermissionContextFactory::GetForProfile(
1943           Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1944   int renderer_id = web_contents->GetRenderProcessHost()->GetID();
1945   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1946   const PermissionRequestID id(renderer_id, render_view_id, bridge_id, GURL());
1947
1948   context->RequestPermission(web_contents, id, requesting_frame,
1949                              user_gesture, result_callback);
1950 }
1951
1952 void ChromeContentBrowserClient::DidUseGeolocationPermission(
1953     content::WebContents* web_contents,
1954     const GURL& frame_url,
1955     const GURL& main_frame_url) {
1956   Profile::FromBrowserContext(web_contents->GetBrowserContext())
1957       ->GetHostContentSettingsMap()
1958       ->UpdateLastUsage(
1959           frame_url, main_frame_url, CONTENT_SETTINGS_TYPE_GEOLOCATION);
1960 }
1961
1962 void ChromeContentBrowserClient::RequestProtectedMediaIdentifierPermission(
1963     content::WebContents* web_contents,
1964     const GURL& origin,
1965     base::Callback<void(bool)> result_callback,
1966     base::Closure* cancel_callback) {
1967 #if defined(OS_ANDROID)
1968   ProtectedMediaIdentifierPermissionContext* context =
1969       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
1970           Profile::FromBrowserContext(web_contents->GetBrowserContext()));
1971   context->RequestProtectedMediaIdentifierPermission(web_contents,
1972                                                      origin,
1973                                                      result_callback,
1974                                                      cancel_callback);
1975 #else
1976   NOTIMPLEMENTED();
1977   result_callback.Run(false);
1978 #endif  // defined(OS_ANDROID)
1979 }
1980
1981 bool ChromeContentBrowserClient::CanCreateWindow(
1982     const GURL& opener_url,
1983     const GURL& opener_top_level_frame_url,
1984     const GURL& source_origin,
1985     WindowContainerType container_type,
1986     const GURL& target_url,
1987     const content::Referrer& referrer,
1988     WindowOpenDisposition disposition,
1989     const WebWindowFeatures& features,
1990     bool user_gesture,
1991     bool opener_suppressed,
1992     content::ResourceContext* context,
1993     int render_process_id,
1994     int opener_id,
1995     bool* no_javascript_access) {
1996   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1997
1998   *no_javascript_access = false;
1999
2000   // If the opener is trying to create a background window but doesn't have
2001   // the appropriate permission, fail the attempt.
2002   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2003 #if defined(ENABLE_EXTENSIONS)
2004     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2005     InfoMap* map = io_data->GetExtensionInfoMap();
2006     if (!map->SecurityOriginHasAPIPermission(
2007             source_origin,
2008             render_process_id,
2009             APIPermission::kBackground)) {
2010       return false;
2011     }
2012
2013     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2014     // return a recently installed Extension even if this CanCreateWindow call
2015     // was made by an old copy of the page in a normal web process.  That's ok,
2016     // because the permission check above would have caused an early return
2017     // already. We must use the full URL to find hosted apps, though, and not
2018     // just the origin.
2019     const Extension* extension =
2020         map->extensions().GetExtensionOrAppByURL(opener_url);
2021     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2022       *no_javascript_access = true;
2023 #endif
2024
2025     return true;
2026   }
2027
2028 #if defined(ENABLE_EXTENSIONS)
2029   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2030       render_process_id))
2031     return true;
2032 #endif
2033
2034   HostContentSettingsMap* content_settings =
2035       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2036   BlockedWindowParams blocked_params(target_url,
2037                                      referrer,
2038                                      disposition,
2039                                      features,
2040                                      user_gesture,
2041                                      opener_suppressed,
2042                                      render_process_id,
2043                                      opener_id);
2044
2045   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2046         switches::kDisablePopupBlocking)) {
2047     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2048                                             opener_top_level_frame_url,
2049                                             CONTENT_SETTINGS_TYPE_POPUPS,
2050                                             std::string()) !=
2051         CONTENT_SETTING_ALLOW) {
2052       BrowserThread::PostTask(BrowserThread::UI,
2053                               FROM_HERE,
2054                               base::Bind(&HandleBlockedPopupOnUIThread,
2055                                          blocked_params));
2056       return false;
2057     }
2058   }
2059
2060 #if defined(OS_ANDROID)
2061   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2062     BrowserThread::PostTask(BrowserThread::UI,
2063                             FROM_HERE,
2064                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2065                                        blocked_params));
2066     return false;
2067   }
2068 #endif
2069
2070   return true;
2071 }
2072
2073 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2074   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2075   prerender_tracker_ = g_browser_process->prerender_tracker();
2076   return g_browser_process->ResourceDispatcherHostCreated();
2077 }
2078
2079 // TODO(tommi): Rename from Get to Create.
2080 content::SpeechRecognitionManagerDelegate*
2081     ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2082   return new speech::ChromeSpeechRecognitionManagerDelegate();
2083 }
2084
2085 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2086   return g_browser_process->net_log();
2087 }
2088
2089 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2090   return new ChromeAccessTokenStore();
2091 }
2092
2093 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2094   return true;
2095 }
2096
2097 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2098     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2099   Profile* profile = Profile::FromBrowserContext(
2100       rvh->GetProcess()->GetBrowserContext());
2101   PrefService* prefs = profile->GetPrefs();
2102
2103   // Fill per-script font preferences. These are not registered on Android
2104   // - http://crbug.com/308033.
2105 #if !defined(OS_ANDROID)
2106   FontFamilyCache::FillFontFamilyMap(profile,
2107                                      prefs::kWebKitStandardFontFamilyMap,
2108                                      &web_prefs->standard_font_family_map);
2109   FontFamilyCache::FillFontFamilyMap(profile,
2110                                      prefs::kWebKitFixedFontFamilyMap,
2111                                      &web_prefs->fixed_font_family_map);
2112   FontFamilyCache::FillFontFamilyMap(profile,
2113                                      prefs::kWebKitSerifFontFamilyMap,
2114                                      &web_prefs->serif_font_family_map);
2115   FontFamilyCache::FillFontFamilyMap(profile,
2116                                      prefs::kWebKitSansSerifFontFamilyMap,
2117                                      &web_prefs->sans_serif_font_family_map);
2118   FontFamilyCache::FillFontFamilyMap(profile,
2119                                      prefs::kWebKitCursiveFontFamilyMap,
2120                                      &web_prefs->cursive_font_family_map);
2121   FontFamilyCache::FillFontFamilyMap(profile,
2122                                      prefs::kWebKitFantasyFontFamilyMap,
2123                                      &web_prefs->fantasy_font_family_map);
2124   FontFamilyCache::FillFontFamilyMap(profile,
2125                                      prefs::kWebKitPictographFontFamilyMap,
2126                                      &web_prefs->pictograph_font_family_map);
2127 #endif
2128
2129   web_prefs->default_font_size =
2130       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2131   web_prefs->default_fixed_font_size =
2132       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2133   web_prefs->minimum_font_size =
2134       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2135   web_prefs->minimum_logical_font_size =
2136       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2137
2138   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2139
2140   web_prefs->javascript_can_open_windows_automatically =
2141       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2142   web_prefs->dom_paste_enabled =
2143       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2144   web_prefs->shrinks_standalone_images_to_fit =
2145       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2146   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2147
2148   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2149     web_prefs->javascript_enabled = false;
2150   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2151     web_prefs->web_security_enabled = false;
2152   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2153     web_prefs->plugins_enabled = false;
2154   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2155     web_prefs->java_enabled = false;
2156   web_prefs->loads_images_automatically =
2157       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2158
2159   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2160     web_prefs->experimental_webgl_enabled = false;
2161
2162   web_prefs->allow_displaying_insecure_content =
2163       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2164   web_prefs->allow_running_insecure_content =
2165       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2166 #if defined(OS_ANDROID)
2167   web_prefs->font_scale_factor =
2168       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2169   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2170   web_prefs->force_enable_zoom =
2171       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2172 #endif
2173
2174 #if defined(OS_ANDROID)
2175   web_prefs->password_echo_enabled =
2176       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2177 #else
2178   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2179 #endif
2180
2181   web_prefs->asynchronous_spell_checking_enabled = true;
2182   web_prefs->unified_textchecker_enabled = true;
2183
2184   web_prefs->uses_universal_detector =
2185       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2186   web_prefs->text_areas_are_resizable =
2187       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2188   web_prefs->hyperlink_auditing_enabled =
2189       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2190
2191   // Make sure we will set the default_encoding with canonical encoding name.
2192   web_prefs->default_encoding =
2193       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2194           web_prefs->default_encoding);
2195   if (web_prefs->default_encoding.empty()) {
2196     prefs->ClearPref(prefs::kDefaultCharset);
2197     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2198   }
2199   DCHECK(!web_prefs->default_encoding.empty());
2200
2201   for (size_t i = 0; i < extra_parts_.size(); ++i)
2202     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2203 }
2204
2205 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2206     BrowserURLHandler* handler) {
2207   for (size_t i = 0; i < extra_parts_.size(); ++i)
2208     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2209
2210   // about: handler. Must come before chrome: handler, since it will
2211   // rewrite about: urls to chrome: URLs and then expect chrome: to
2212   // actually handle them.
2213   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2214                           BrowserURLHandler::null_handler());
2215
2216 #if defined(OS_ANDROID)
2217   // Handler to rewrite chrome://newtab on Android.
2218   handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2219                           BrowserURLHandler::null_handler());
2220 #else
2221   // Handler to rewrite chrome://newtab for InstantExtended.
2222   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2223                           &chrome::HandleNewTabURLReverseRewrite);
2224 #endif
2225
2226   // chrome: & friends.
2227   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2228 }
2229
2230 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2231   Profile* profile = Profile::FromBrowserContext(
2232       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2233   BrowsingDataRemover* remover =
2234       BrowsingDataRemover::CreateForUnboundedRange(profile);
2235   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2236                   BrowsingDataHelper::UNPROTECTED_WEB);
2237   // BrowsingDataRemover takes care of deleting itself when done.
2238 }
2239
2240 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2241   Profile* profile = Profile::FromBrowserContext(
2242       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2243   BrowsingDataRemover* remover =
2244       BrowsingDataRemover::CreateForUnboundedRange(profile);
2245   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2246   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2247   // BrowsingDataRemover takes care of deleting itself when done.
2248 }
2249
2250 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2251   return DownloadPrefs::GetDefaultDownloadDirectory();
2252 }
2253
2254 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2255   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2256 }
2257
2258 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2259     content::BrowserPpapiHost* browser_host) {
2260 #if defined(ENABLE_PLUGINS)
2261   browser_host->GetPpapiHost()->AddHostFactoryFilter(
2262       scoped_ptr<ppapi::host::HostFactory>(
2263           new ChromeBrowserPepperHostFactory(browser_host)));
2264 #endif
2265 }
2266
2267 content::BrowserPpapiHost*
2268     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2269         int plugin_process_id) {
2270 #if !defined(DISABLE_NACL)
2271   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2272   while (!iter.Done()) {
2273     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2274         iter.GetDelegate());
2275     if (host->process() &&
2276         host->process()->GetData().id == plugin_process_id) {
2277       // Found the plugin.
2278       return host->browser_ppapi_host();
2279     }
2280     ++iter;
2281   }
2282 #endif
2283   return NULL;
2284 }
2285
2286 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2287     content::BrowserContext* browser_context,
2288     const GURL& url,
2289     bool private_api,
2290     const content::SocketPermissionRequest* params) {
2291 #if defined(ENABLE_EXTENSIONS)
2292   Profile* profile = Profile::FromBrowserContext(browser_context);
2293   const extensions::ExtensionSet* extension_set = NULL;
2294   if (profile) {
2295     const ExtensionService* ext_service =
2296         extensions::ExtensionSystem::Get(profile)->extension_service();
2297     if (ext_service) {
2298       extension_set = ext_service->extensions();
2299     }
2300   }
2301
2302   if (private_api) {
2303     // Access to private socket APIs is controlled by the whitelist.
2304     if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2305                                              allowed_socket_origins_)) {
2306       return true;
2307     }
2308   } else {
2309     // Access to public socket APIs is controlled by extension permissions.
2310     if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2311         extension_set) {
2312       const Extension* extension = extension_set->GetByID(url.host());
2313       if (extension) {
2314         const extensions::PermissionsData* permissions_data =
2315             extension->permissions_data();
2316         if (params) {
2317           extensions::SocketPermission::CheckParam check_params(
2318               params->type, params->host, params->port);
2319           if (permissions_data->CheckAPIPermissionWithParam(
2320                   extensions::APIPermission::kSocket, &check_params)) {
2321             return true;
2322           }
2323         } else if (permissions_data->HasAPIPermission(
2324                        extensions::APIPermission::kSocket)) {
2325           return true;
2326         }
2327       }
2328     }
2329   }
2330
2331   // Allow both public and private APIs if the command line says so.
2332   return IsHostAllowedByCommandLine(url, extension_set,
2333                                     switches::kAllowNaClSocketAPI);
2334 #else
2335   return false;
2336 #endif
2337 }
2338
2339 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2340     WebContents* web_contents) {
2341   return new ChromeSelectFilePolicy(web_contents);
2342 }
2343
2344 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2345     std::vector<std::string>* additional_allowed_schemes) {
2346   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2347       additional_allowed_schemes);
2348   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2349   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2350   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2351     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2352         additional_allowed_schemes);
2353   }
2354 }
2355
2356 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2357     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2358   for (size_t i = 0; i < extra_parts_.size(); ++i)
2359     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2360 }
2361
2362 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2363     content::BrowserContext* browser_context,
2364     const base::FilePath& storage_partition_path,
2365     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2366 #if defined(OS_CHROMEOS)
2367   storage::ExternalMountPoints* external_mount_points =
2368       content::BrowserContext::GetMountPoints(browser_context);
2369   DCHECK(external_mount_points);
2370   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2371       new drive::FileSystemBackendDelegate,
2372       new chromeos::file_system_provider::BackendDelegate,
2373       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2374       browser_context->GetSpecialStoragePolicy(),
2375       external_mount_points,
2376       storage::ExternalMountPoints::GetSystemInstance());
2377   backend->AddSystemMountPoints();
2378   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2379   additional_backends->push_back(backend);
2380 #endif
2381
2382 #if defined(ENABLE_SERVICE_DISCOVERY)
2383   if (CommandLine::ForCurrentProcess()->HasSwitch(
2384           switches::kEnablePrivetStorage)) {
2385     additional_backends->push_back(new local_discovery::PrivetFileSystemBackend(
2386         storage::ExternalMountPoints::GetSystemInstance(), browser_context));
2387   }
2388 #endif
2389
2390   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2391     extra_parts_[i]->GetAdditionalFileSystemBackends(
2392         browser_context, storage_partition_path, additional_backends);
2393   }
2394 }
2395
2396 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2397 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2398     const CommandLine& command_line,
2399     int child_process_id,
2400     std::vector<FileDescriptorInfo>* mappings) {
2401 #if defined(OS_ANDROID)
2402   base::FilePath data_path;
2403   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2404   DCHECK(!data_path.empty());
2405
2406   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2407   base::FilePath chrome_resources_pak =
2408       data_path.AppendASCII("chrome_100_percent.pak");
2409   base::File file(chrome_resources_pak, flags);
2410   DCHECK(file.IsValid());
2411   mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2412                                          FileDescriptor(file.Pass())));
2413
2414   const std::string locale = GetApplicationLocale();
2415   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2416       GetLocaleFilePath(locale, false);
2417   file.Initialize(locale_pak, flags);
2418   DCHECK(file.IsValid());
2419   mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2420                                          FileDescriptor(file.Pass())));
2421
2422   base::FilePath resources_pack_path;
2423   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2424   file.Initialize(resources_pack_path, flags);
2425   DCHECK(file.IsValid());
2426   mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2427                                          FileDescriptor(file.Pass())));
2428
2429   if (breakpad::IsCrashReporterEnabled()) {
2430     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2431                child_process_id);
2432     if (file.IsValid()) {
2433       mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2434                                              FileDescriptor(file.Pass())));
2435     } else {
2436       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2437                  "be disabled for this process.";
2438     }
2439   }
2440
2441   base::FilePath app_data_path;
2442   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2443   DCHECK(!app_data_path.empty());
2444
2445   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2446   base::FilePath icudata_path =
2447       app_data_path.AppendASCII("icudtl.dat");
2448   base::File icudata_file(icudata_path, flags);
2449   DCHECK(icudata_file.IsValid());
2450   mappings->push_back(FileDescriptorInfo(kAndroidICUDataDescriptor,
2451                                          FileDescriptor(icudata_file.Pass())));
2452
2453 #else
2454   int crash_signal_fd = GetCrashSignalFD(command_line);
2455   if (crash_signal_fd >= 0) {
2456     mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2457                                            FileDescriptor(crash_signal_fd,
2458                                                           false)));
2459   }
2460 #endif  // defined(OS_ANDROID)
2461 }
2462 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2463
2464 #if defined(OS_WIN)
2465 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2466   return chrome::kBrowserResourcesDll;
2467 }
2468
2469 void ChromeContentBrowserClient::PreSpawnRenderer(
2470     sandbox::TargetPolicy* policy,
2471     bool* success) {
2472   // This code is duplicated in nacl_exe_win_64.cc.
2473   // Allow the server side of a pipe restricted to the "chrome.nacl."
2474   // namespace so that it cannot impersonate other system or other chrome
2475   // service pipes.
2476   sandbox::ResultCode result = policy->AddRule(
2477       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2478       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2479       L"\\\\.\\pipe\\chrome.nacl.*");
2480   if (result != sandbox::SBOX_ALL_OK) {
2481     *success = false;
2482     return;
2483   }
2484
2485   // Renderers need to send named pipe handles and shared memory
2486   // segment handles to NaCl loader processes.
2487   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2488                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2489                            L"File");
2490   if (result != sandbox::SBOX_ALL_OK) {
2491     *success = false;
2492     return;
2493   }
2494 }
2495 #endif
2496
2497 content::DevToolsManagerDelegate*
2498 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2499   return new ChromeDevToolsManagerDelegate();
2500 }
2501
2502 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2503     content::BrowserContext* browser_context,
2504     const GURL& url) {
2505 #if defined(ENABLE_EXTENSIONS)
2506   Profile* profile = Profile::FromBrowserContext(browser_context);
2507   const extensions::ExtensionSet* extension_set = NULL;
2508   if (profile) {
2509     const ExtensionService* ext_service =
2510         extensions::ExtensionSystem::Get(profile)->extension_service();
2511     if (ext_service) {
2512       extension_set = ext_service->extensions();
2513     }
2514   }
2515   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2516                                               allowed_file_handle_origins_) ||
2517          IsHostAllowedByCommandLine(url, extension_set,
2518                                     switches::kAllowNaClFileHandleAPI);
2519 #else
2520   return false;
2521 #endif
2522 }
2523
2524 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2525     content::BrowserContext* browser_context,
2526     const GURL& url) {
2527 #if defined(ENABLE_EXTENSIONS)
2528   // Allow access for tests.
2529   if (CommandLine::ForCurrentProcess()->HasSwitch(
2530           switches::kEnablePepperTesting)) {
2531     return true;
2532   }
2533
2534   Profile* profile = Profile::FromBrowserContext(browser_context);
2535   const extensions::ExtensionSet* extension_set = NULL;
2536   if (profile) {
2537     const ExtensionService* ext_service =
2538         extensions::ExtensionSystem::Get(profile)->extension_service();
2539     if (ext_service) {
2540       extension_set = ext_service->extensions();
2541     }
2542   }
2543
2544   // Allow access for whitelisted applications.
2545   if (IsExtensionOrSharedModuleWhitelisted(url,
2546                                            extension_set,
2547                                            allowed_dev_channel_origins_)) {
2548       return true;
2549   }
2550
2551   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2552   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2553   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2554   // Chromium builds as well.
2555   return channel <= chrome::VersionInfo::CHANNEL_DEV;
2556 #else
2557   return false;
2558 #endif
2559 }
2560
2561 net::CookieStore*
2562 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2563     int render_process_id) {
2564   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2565   if (!prerender_tracker_)
2566     return NULL;
2567   return prerender_tracker_->
2568       GetPrerenderCookieStoreForRenderProcess(render_process_id);
2569 }
2570
2571 #if defined(ENABLE_WEBRTC)
2572 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2573     CommandLine* to_command_line,
2574     const CommandLine& from_command_line,
2575     VersionInfo::Channel channel) {
2576 #if defined(OS_ANDROID)
2577   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2578       VersionInfo::CHANNEL_BETA;
2579 #else
2580   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2581       VersionInfo::CHANNEL_DEV;
2582 #endif
2583   if (channel <= kMaxDisableEncryptionChannel) {
2584     static const char* const kWebRtcDevSwitchNames[] = {
2585       switches::kDisableWebRtcEncryption,
2586     };
2587     to_command_line->CopySwitchesFrom(from_command_line,
2588                                       kWebRtcDevSwitchNames,
2589                                       arraysize(kWebRtcDevSwitchNames));
2590   }
2591 }
2592 #endif  // defined(ENABLE_WEBRTC)
2593
2594 }  // namespace chrome